As a rule of thumb, in steel the metal removal rate is one cubic inch of material per minute per horsepower22 cubic cm of material per minute per kilowatt.
For a more thorough explanation, see How Fast Can I Machine?".

Note: the above calculations and formulas apply to our standard product. For "heavy duty" applications that might benefit from higher torque at lower speeds, we offer gear reducers and special motors. Call our Application Department for more information on these options. Our toll free number for the US and Canada is 1-877-435-8665. You may also reach us at (513) 723-1772.